Sheri E. Warsh

Anne M. Oldenburg is a top attorney recognized by Best Lawyers in the practice area(s) of Medical Malpractice Law - Defendants. Anne M., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anne M. is held by other top lawyers in the same geographic and legal practice area.

Mark Grossmann is global chair of Katten's Corporate practice. Mark knows how to make deals happen. For more than 20 years, he has guided principals and finance sources alike through critical transactions that have helped them grow, compete and realize value. He is known for a refreshingly direct approach that cuts away extraneous issues and gets to the heart of what the parties need. Mark knows that lawyers are often seen as obstacles who can bury the deal in the legal details. He takes a di...

Jonathan Merel is an experienced attorney and litigator who advocates for his clients in all family law proceedings, including settlement negotiations and trials. Jonathan founded The Law Offices of Jonathan Merel, P.C. in early 2009. Prior to starting the firm, Jonathan worked at another Chicago-based family law practice for many years. Jonathan has grown his firm to include 4 other attorneys, an excellent staff and an additional office location in the suburbs. Jonathan has a great deal of e...

Approachable, yet candid in his counsel, Kurt Rohde provides an objective analysis of the issues tied to his clients’ intellectual property assets and best courses of action. In particular, with over 14 years focused in complex patent litigation and large patent portfolio management, Kurt regularly serves as patent trial counsel for multibillion dollar corporations. Kurt helps his clients keep the bigger picture at the forefront by advising on obtaining, evaluating, and enforcing their ...

Jeffrey Ekeberg is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Jeffrey, who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey is held by other top lawyers in the same geographic and legal practice area.

Lou Weber, former Tax Department Chair, concentrates his practice in transactional and controversy matters. He advises clients on a wide variety of corporate and private equity transactional issues. He advises clients on numerous issues related to both taxable and tax-free mergers and acquisitions on behalf of public and private buyers and sellers, and on behalf of private equity funds and their portfolio companies. He also has advised clients: in structuring tax-free reorganizations, recapit...

Joseph has close to 20 years of experience advising financial institutions on corporate and securities matters. Joseph uses a practical and efficient approach to help clients achieve their goals and has successfully completed over 100 M&A and capital market transactions. He also actively serves as outside corporate counsel for bank clients, including publicly traded companies. Joseph is co-chair of Barack Ferrazzano's Financial Institutions Group. He is a frequent speaker at industry conf...

Anthony Antognoli is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Anthony, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anthony is held by other top lawyers in the same geographic and legal practice area.

Graham C. Grady is a top attorney recognized by Best Lawyers in the practice area(s) of Government Relations Practice and Land Use and Zoning Law. Graham C., who practices law in Chicago, Illinois, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Graham C. is held by other top lawyers in the same geographic and legal practice area.

Dennis is a senior partner and a founder of Barack Ferrazzano. He concentrates his practice on commercial real estate and business planning matters. Dennis is the primary North American real estate counsel for Bernard Arnault, Agache, LVMH, and the LVMH brands in the Americas. Dennis is consistently ranked among the top lawyers in Illinois for his real estate practice. He has been Band ranked in Chambers USA for more than 20 consecutive years, named by Leading Lawyers as the #1 Real Estate La...